Theft of the Marhaba Stone from the British Museum's Egyptian exhibit sends the spirit of an ancient Egyptian boy to haunt the Tomorrow People for their help.
Adam and Ami go to Amanda with the information they found in Rameses' tomb and learn there is no mention of his death. Meanwhile, Megabyte learns that Rees was responsible for bringing Cleopatra's Needle to England over a century earlier.
Rameses traps Adam with Millicent in a limbo dimension, and it is up to Megabyte and Ami to rescue them and find a way to stop Rameses before he uses his perfect pyramid to finally achieve his aim of becoming all-powerful.
Worldex investigates the arrival on Earth of mysterious meteorites. When Jade comes across one, General Damon enlists Adam and Megabyte to persuade her to help them.
Jade is horrified to find her mother and most of the other villagers under the control of the alien meteorites. Meanwhile, Adam tries to stop the aliens from kidnapping a scientist who can accelerate plant growth.
Adam and Megabyte team up with Jade to discern what the aliens want. Meanwhile, Lucifer is recruited to their cause and the alien loose at Worldex finds a new host.
Jade manages to break out as a Tomorrow Person and teleport herself and Megabyte to safety. It is then up to Adam, Megabyte and Jade to defeat the aliens while preventing Beaumont-Savage from turning things into a blood bath.